Brick Fleagle and Luther Henderson were jazz musicians and arrangers who were business partners and close friends. The Brick Fleagle and Luther Henderson papers and collection of jazz recordings contain manuscript and published scores of Fleagle's and Henderson's compositions and arrangements, personal papers of Brick Fleagle, photographs, and recordings.

Christopher Lobingier (1944-2014) was a composer based in Baltimore who wrote the original score to the 1977 John Waters film Desperate Living and participated in the Baltimore Composers Forum. This collection contains scores of original compositions by Chris Lobingier, including his score to Desperate Living, as well as materials related to the Baltimore Composers Forum, recordings, and other ephemera.

Jean Eichelberger Ivey (1923-2010) was a composer, pianist, electronic musician, professor, and the founder of the Peabody Conservatory Electronic Music Studio, which she directed from 1969 until her retirement from Peabody in 1997. The Jean Eichelberger Ivey papers contain scores and recordings of Ivey's musical works, writings and notes by Ivey, personal and professional correspondence, programs and clippings, photographs, and other personal and professional papers.

Walter Spencer Huffman was a composer and music teacher who studied and served on the faculty of the Peabody Conservatory of Music in the 1940s and 1950s. From 1955 until his death in 2005, Huffman taught music privately in Maryland and continued to compose. The collection consists of holograph scores of approximately 150 works, including chamber music, symphonies, and choral music.